Perhaps you should try some spelling variations:
hanh truong » hanh trong, anh truong, manh truong
truong cua » truong ca, truong quan, truong cao
tang thanh » dang thanh, trung thanh, hoang thanh
hien manh » hien hanh, hieu manh, hien nhanh
tien manh » tien anh, tien thanh, tieng anh
dung cong » dung trong
tan thanh » tran thanh, toan thanh, ban thanh
cua dung » cua dang, cua dong, qua dung

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien manh) or (tien manh)) - hanh truong cua dung cong ((tan thanh) OR (tang thanh)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien manh) OR (tien manh)) - hanh truong cua dung cong ((tan thanh) OR (tang thanh)) tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien manh) or (tien manh)) - hanh truong cua dung cong ((tan thanh) OR (tang thanh)) tap".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien manh) or (tien manh)) - hanh truong cua dung cong ((tan thanh) OR (tang thanh)) tap*.